<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="../css/reset.css">
    <script src="../js/jquery-3.6.0.min.js"></script>
    <style>
        .box {
            width: 200px;
            height: 200px;
            background-color: #6ff;
            margin: 50px;
            text-align: center;
            line-height: 200px;
            user-select: none;
        }
    </style>


</head>

<body>
    <div class="box">0</div>
</body>
<script>
    // $(".box").mouseenter(function () {
    //     $(this).css({ background: "red" })
    // }).mouseleave(function () {
    //     $(this).css({ background: "#6ff" })
    // })

    $(".box").hover(function () {
        $(this).css({ background: "red" })
    }, function () {
        $(this).css({ background: "#6ff" })
    })



</script>

</html>